40029080

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1571}}^1$

素因数の和:1609

約数の個数: 96

約数和(自身を含む): 112901040

約数和(自身を除く): 72871960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 364, 392, 455, 490, 520, 637, 728, 910, 980, 1274, 1571, 1820, 1960, 2548, 3142, 3185, 3640, 5096, 6284, 6370, 7855, 10997, 12568, 12740, 15710, 20423, 21994, 25480, 31420, 40846, 43988, 54985, 62840, 76979, 81692, 87976, 102115, 109970, 142961, 153958, 163384, 204230, 219940, 285922, 307916, 384895, 408460, 439880, 571844, 615832, 714805, 769790, 816920, 1000727, 1143688, 1429610, 1539580, 2001454, 2859220, 3079160, 4002908, 5003635, 5718440, 8005816, 10007270, 20014540, 40029080]

約数ペア:

[(1, 40029080), (2, 20014540), (4, 10007270), (5, 8005816), (7, 5718440), (8, 5003635), (10, 4002908), (13, 3079160), (14, 2859220), (20, 2001454), (26, 1539580), (28, 1429610), (35, 1143688), (40, 1000727), (49, 816920), (52, 769790), (56, 714805), (65, 615832), (70, 571844), (91, 439880), (98, 408460), (104, 384895), (130, 307916), (140, 285922), (182, 219940), (196, 204230), (245, 163384), (260, 153958), (280, 142961), (364, 109970), (392, 102115), (455, 87976), (490, 81692), (520, 76979), (637, 62840), (728, 54985), (910, 43988), (980, 40846), (1274, 31420), (1571, 25480), (1820, 21994), (1960, 20423), (2548, 15710), (3142, 12740), (3185, 12568), (3640, 10997), (5096, 7855), (6284, 6370)]